| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 31 |
100%
|
| No employees trained | 0 | ||
| 1 | 0 | ||
| 2 | 0 | ||
| 3 | 0 | ||
| 4 | 0 | ||
| 5 | 0 | ||
| 6 | 0 | ||
| 7 | 0 | ||
| 8 | 0 | ||
| 27 | 0 |